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IBM C9010-262 Exam Practice Questions (P. 5)

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Question #21
The CBU for PowerHA offering is designed for AIX and IBM i clients running on which of the following systems?
  1. A
    E870 and E880
  2. B
    E850 and E870
  3. C
    E850
  4. D
    E880

Correct Answer:
A
The Capacity Backup (CBU) for Power Enterprise Servers, is an enhanced offering for the IBM Power System E870, E880, E870C, and E880C servers.
AIX and IBM i clients can purchase a new Power Enterprise server that is designated to be used exclusively for high availability or disaster recovery. It includes a number of no-charge Elastic CoD memory days defined by the configuration of the clients existing Power E870, E880, E870C, or E880C production system.
References:
http://www-03.ibm.com/systems/power/hardware/cbu/

Question #22
Which feature of IBM Cloud Orchestrator (ICO) differentiates it from IBM Cloud PowerVC Manager?
  1. A
    Management of hybrid public/private clouds
  2. B
    Support for multi-tenancy
  3. C
    Image catalogue of images for deployment
  4. D
    Self-service user portal

Correct Answer:
B
The Public Cloud Gateway of IBM Cloud Orchestrator provides capabilities for multitenancy.
Incorrect Answers:
D: Cloud PowerVC Manager features a Self-service portal that allows the provisioning of new VMs without direct system administrator intervention. There is an option for policy approvals for the requests that are received from the self-service portal.
References:
https://www.ibm.com/support/knowledgecenter/en/SS4KMC_2.5.0/com.ibm.ico.doc_2.5/public_cg/c_pcg_mutlitenancy_support.html

Question #23
Which of the following is a benefit of the POWER8 processor for a big data analytics implementation when compared to x86?
  1. A
    More threads per core
  2. B
    BLU Accelerator
  3. C
    More cores per socket
  4. D
    Faster clock speed

Correct Answer:
B
With BLU Acceleration and the POWER8 hardware, we observed an average performance improvement of 82 times on report generation compared to competitor running on x86 platform.
References: http://www.ibmbluhub.com/solutions/blu-power/blu-power8/

Question #24
Which Ethernet virtualization technique supports Live Partition Mobility on POWER8?
  1. A
    vSwitch
  2. B
    Standalone SR-IOV
  3. C
    SEA
  4. D
    IVE/HEA

Correct Answer:
C
The PowerVM SEA technology can scale well for connectivity and provides options for advanced functions such as Live Partition Mobility.
Incorrect Answers:
B: SR-IOV can be used in conjunction with PowerVM SEA to provide extra scalability and functionality such as Live Partition Mobility.
Note: Similar to an AIX, IBM i or Linux partition, a VIOS partition can have SR-IOV ports configured and used as regular adapters. These adapters can be part of a
Shared Ethernet Adapter (SEA) configuration and bridge traffic from client partitions to the physical network. Because the client partitions configure only a Virtual
Ethernet Adapter, they can continue using the advanced features of PowerVM, such as Live Partition Mobility and IBM Active Memory Sharing.
References: IBM Power Systems SR-IOV Technical Overview and Introduction (July 2014), page 13 https://www.redbooks.ibm.com/redpapers/pdfs/redp5065.pdf

Question #25
A customer with a Power 770 is planning a migration to an E870. The 770 has four 8Gb PCIe 2-port Fibre Channel Adapters with all storage going through the
SAN. The customer wants to keep the same WWPNs, and avoid a SAN reconfiguration.
What procedure should be recommended?
  1. A
    Rezone the SAN because the existing WWPNs cannot be reused.
  2. B
    Order a PCIe Gen3 I/O Expansion Drawer and relocate the HBAs into the drawer.
  3. C
    Move the HBAs from the 770 and install them into the E870 system node.
  4. D
    Order new HBAs and modify the WWPNs in the ASMI.

Correct Answer:
C
Power 770 has six PCIe Gen2 integraded adapter slots per building block, with a system maximum of 24.
Power E870 has eight PCIe Gen2 integraded adapter slots per building block, with a system maximum of 16.
Note:
A World Wide Port Name, WWPN, or WWpN, is a World Wide Name assigned to a port in a Fibre Channel fabric. Used on storage area networks, it performs a function equivalent to the MAC address in Ethernet protocol, as it is supposed to be a unique identifier in the network.
A worldwide port name (WWPN) is a unique 64-bit identifier that is assigned to a fibre channel node port, called an N_port. The storage area network (SAN) administrator assigns storage to a WWPN.
An HBA (host bus adapter) is an integrated circuit adapter or circuit board that is designed to provide physical connectivity between a computer host and storage devices or a network.
References: Power Systems Capacity on Demand, page 47
https://public.dhe.ibm.com/systems/power/docs/hw/p8/p8ha2.pdf

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